ScienceThe BestieBeginner
Decoding Human Muscle Names, a free science course on Tomo

Decoding Human Muscle Names

Stop memorizing muscle names as arbitrary Latin jargon. Discover the simple visual code of shapes, sizes, and attachment points that makes anatomical names instantly make sense.

Like Duolingo, but for Decoding Human Muscle Names. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.

A short one: 12 levels across 2 sections, about 24 minutes end to end, roughly 5 days at five minutes a day. It moves through Cracking the Naming Code and Mapping the Trunk and Limbs. It starts from scratch.

12 bite-size levelsAbout 5 minutes each

Free forever · No credit card · iPhone & Android

Flex the Fox, the guide who teaches the Decoding Human Muscle Names course
Decoding Human Muscle Names
with Flex the Fox
12
Levels
2
Sections
5
Min/day
What you'll learn

Key ideas in Decoding Human Muscle Names

  • Muscle names are functional descriptions of what they do, where they sit, or what bones they connect to
  • Breaking a muscle name into parts reveals its action (flexor) and location/anchors (wrist, radius bone)
  • Size labels exist in contrasting pairs to distinguish neighboring muscles in the same region
  • Maximus/minimus refers to total bulk or volume (like gluteus maximus)
  • Major/minor usually distinguishes larger and smaller flat surface areas (like pectoralis major)
  • Deltoid is named after the triangular Greek letter delta
  • Early anatomists used simple geometric silhouettes (triangles, trapezoids) to label major muscle contours
  • The prefix tri- means three and -ceps stems from the word for head
  • Biceps has two heads, triceps has three, and quadriceps has four distinct upper tendons anchoring to bone
  • Rectus means straight or parallel to the body's midline
  • Transverse means running horizontally across from side to side
  • Oblique means running at an angle or diagonal
  • Pectoralis major is the broad, superficial fan across the front of the chest that powers pushing movements
  • Pectoralis minor lies deeper and hidden underneath pectoralis major
  • Pectus is the root meaning chest or breast
  • Latissimus dorsi spans a massive triangular sheet across the lower and mid-back
Why not just Google it

You've tried the other tabs

Wikipedia

Thirty open tabs. Four facts you actually kept.

YouTube

You watched. You nodded. By Sunday it was gone.

ChatGPT

One answer, then back to scrolling.

Online courses

Eight weeks. You meant to finish. You didn't.

Tomo gives Decoding Human Muscle Names the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.

Try a question

Here's what playing it feels like

A real question from this course. Take your best guess.

Cracking the Muscle Name Code

When you see a muscle named 'flexor carpi radialis,' what happens if you break the name into parts?

Get it right to open this lesson and 11 more in the app.

Course map

Where Decoding Human Muscle Names takes you

  1. 1

    Cracking the Naming Code

    • The Muscle Decoder Ring
    • Upper Body Movers
  2. 2

    Mapping the Trunk and Limbs

    • The Core and Lower Body Pillars
    • Compound Names and Action Clues

2 sections · 4 units · 12 levels. Built to play, not to enroll.

How it's taught

You pick the voice

This course
The Bestie

Decoding Human Muscle Names is taught in the The Bestie style: your friend who just gets it. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.

Keep going

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Start Decoding Human Muscle Names today.

Download Tomo, search Decoding Human Muscle Names, and play your first lesson in under a minute.